# Relationship history for MSHA mine 1800791

Current hierarchy: **Jason A  Kitzmiller → Cobra Mining, Inc. → Taylor Lower Bakerstown**

- Valid-time bounds: inclusive, date granularity
- Null end: open-ended in the upstream history row; not independent proof of present control
- Transaction-time observation: 2026-10-17T05:35:58.500035+00:00

## Valid-time edges

- **controller_controls_mine:** Alan D  Clark et al → Taylor Lower Bakerstown; 1994-06-29 to 2020-04-06; source msha-controller-operator-history
- **controller_controls_mine:** Risa  Taylor → Taylor Lower Bakerstown; 2003-03-24 to 2006-02-23; source msha-controller-operator-history
- **controller_controls_mine:** Freddie A  Taylor → Taylor Lower Bakerstown; 2006-02-24 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** ARJ Construction Company → Taylor Lower Bakerstown; 2013-02-20 to 2024-04-14; source msha-controller-operator-history
- **controller_controls_operator:** Risa  Taylor → ARJ Construction Company; 2013-02-20 to 2006-02-23; source msha-controller-operator-history
- **controller_controls_operator:** Freddie A  Taylor → ARJ Construction Company; 2013-02-20 to 2024-04-14; source msha-controller-operator-history
- **controller_controls_mine:** Victor E  Clark Jr → Taylor Lower Bakerstown; 2020-04-07 to 2023-11-14; source msha-controller-operator-history
- **controller_controls_mine:** Jason A  Kitzmiller → Taylor Lower Bakerstown; 2023-11-15 to current/open; source msha-controller-operator-history
- **operator_operates_mine:** Cobra Mining, Inc. → Taylor Lower Bakerstown; 2024-04-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Jason A  Kitzmiller → Cobra Mining, Inc.; 2024-04-15 to current/open; source msha-controller-operator-history
- **controller_controls_operator:** Victor E  Clark Jr → Cobra Mining, Inc.; 2024-04-15 to 2023-11-14; source msha-controller-operator-history
- **controller_controls_operator:** Alan D  Clark et al → Cobra Mining, Inc.; 2024-04-15 to 2020-04-06; source msha-controller-operator-history